code: def __str__(self):
      return (
          f"Fairness in Regression Dictionary\nSubgroup Metrics: {self.subgroup_metrics.values()}\n"
          f"Subgroup Metric Comparison: {self.subgroup_metric_comparison.values()}"
      )
  
imports: from copy import deepcopy
  import numpy
  import pandas
  from .None import checks
  from ...None import _global_checks
  from ..._explainer import helper
  from ...model_explanations._model_performance import utils
label_desc: Use image node_id 2 for calling the RegressionDict obj's underlying member method code with example usage: obj.__str__() and returns: str, self, str, self